21 Castleton Ave
East Greenbush, NY 12061
4 bd 1 ba 1,508 sqft Built 1939 Lot 7,405 sqft single_family
No recorded sales
Location
Timeline: Sale, Listing & Tax History
Recorded events
No recorded events
No sale or listing events are on file for this property.
Tax assessment history
| Year | Building | Land | Total assessed | Tax paid |
|---|---|---|---|---|
| 2025 | $236,100 | $17,900 | $254,000 | $6,200 |
| 2024 | $171,000 | $17,000 | $188,000 | $6,299 |
| 2023 | $171,000 | $17,000 | $188,000 | $6,434 |
| 2022 | $171,000 | $17,000 | $188,000 | $6,559 |
| 2021 | $171,000 | $17,000 | $188,000 | $6,682 |
| 2020 | $171,000 | $17,000 | $188,000 | $5,779 |
| 2017 | $171,000 | $17,000 | $188,000 | $5,451 |
| 2016 | $151,200 | $17,000 | $168,200 | $4,069 |
| 2015 | $128,100 | $17,000 | $145,100 | $4,019 |
| 2014 | $128,100 | $17,000 | $145,100 | $4,034 |
| 2013 | $160,500 | $13,600 | $174,100 | $5,281 |
| 2012 | $160,500 | $13,600 | $174,100 | $4,632 |
| 2011 | $160,500 | $13,600 | $174,100 | $4,616 |
| 2010 | $233,400 | $13,600 | $247,000 | $4,461 |
| 2009 | $233,400 | $13,600 | $247,000 | $5,515 |
| 2007 | $31,500 | $5,300 | $36,800 | $1,864 |
Property facts
Year built
1939
Property type
single_family
Stories
—
Beds
4
Baths
1
Living area
1,508 sqft
Lot size
7,405 sqft
ZIP code
12061
City
East Greenbush
Street
Castleton Ave
Coordinates
42.58909, -73.70362
Comparable properties nearby
Block-level micro-comps
Same street, ±3 house numbers, sold in the last 24 monthsFrequently asked questions
When did 21 Castleton Ave last sell?
No public-record sale is on file for 21 Castleton Ave.
What is the current tax assessment for 21 Castleton Ave?
The most recent total assessment for 21 Castleton Ave (year 2025) is $254,000 with $6,200 in property tax.
When was 21 Castleton Ave built?
21 Castleton Ave was built in 1939.
How does 21 Castleton Ave compare to others on Castleton Ave?
We track 7 other properties on Castleton Ave. Browse the list under "Other properties on Castleton Ave" to compare beds, baths, and sale history.
What are the property facts for 21 Castleton Ave?
21 Castleton Ave is a 4 bed, 1 bath, 1,508 sqft, 7,405 sqft lot single_family.
Is 21 Castleton Ave a flip candidate?
No — 21 Castleton Ave does not appear in our flips dataset.
Is 21 Castleton Ave a tax-appeal candidate?
No — 21 Castleton Ave is not currently flagged as a tax-appeal candidate.
Forecast for this area
ZIP-area linear projection — not a per-property automated valuationQuarterly trend
-3.0%
Implied 1-yr
-12.1%
2026 Q1
$255.7K
2026 Q2
$246.1K
ZIP 12061 — Median Price History + Forecast
Explore nearby
Geography
Other properties on Castleton Ave